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Lady_Fox [76]
3 years ago
15

Suppose the circumference of a circle is 4, pi. What is its diameter?

Mathematics
2 answers:
daser333 [38]3 years ago
4 0
C = pi * d
c = 4 pi
d = 4
Vilka [71]3 years ago
3 0
Your answer would be 4, because the equation for the circumference of a circle is π × diameter, so if you have 4 × π as the circumference, then 4 is the diameter.

I hope this helps!
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const2013 [10]

Answer:

B.

Step-by-step explanation:

I think your question is missed of key information, allow me to add in and hope it will fit the original one.  

Please have a look at the attached photo.  

My answer:

As given in the question, we know that:

The ratio of the area of the circle to the area  of the square is π/4

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V = 1/3*the height*the base area

<=> V1 = 1/3*h*πr^{2}

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V2 = 1/3*the height*the base area

<=> V =  1/3*h*4r^{2}

=> the ratio of volume of the cone to the pyramid is:

= \frac{V1}{V2}

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= π/4

S we can conclude that the volume of the cone equals π/4  the volume of the  pyramid

Hope it will find you well.

7 0
3 years ago
A store employee conducted a survey of 390 randomly selected customers. According to the survey, 180 of the customers often use
shusha [124]
You do 390/100 = 180/x then 390×X=390X
180×100=18000
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7 0
4 years ago
Read 2 more answers
PLS HELP ASAP
Usimov [2.4K]
2) -6

8 is positive and 14 negative. You can either draw a number line and help yourself with that or since the negative one is bigger you can do the subtraction 14 - 8 and then change the sign of the answer.
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Step-by-step explanation:

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Step-by-step explanation:

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4 0
3 years ago
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